bsptreetraverselistener.java

Developing Games in Java 源代码

package com.brackeen.javagamebook.bsp2D;


/**
    A BSPTreeTraverseListener is an interface for a
    BSPTreeTraverser to signal visited polygons.
*/
public interface BSPTreeTraverseListener {

    /**
        Visits a BSP polygon. Called by a BSPTreeTraverer.
        If this method returns true, the BSPTreeTraverer will
        stop the current traversal. Otherwise, the BSPTreeTraverer
        will continue if there are polygons in the tree that
        have not yet been traversed.
    */
    public boolean visitPolygon(BSPPolygon poly,
        boolean isBackLeaf);

}